3122 Florence (1981 ET3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4232384908 ± 1.63e-09
Semi-major axis (a)1.7688776780 AU ± 6.61e-10
Inclination (i)22.14276824° ± 7.42e-07
Long. of Asc. Node (Ω)336.04036925° ± 3.76e-07
Arg. of Perihelion (ω)27.88474334° ± 1.08e-06
Mean Anomaly (M)168.25752840° ± 7.68e-07
Mean Motion (n)0.4189532598°/day ± 2.35e-10
Perihelion dist (q)1.02022056 AU ± 2.90e-09
Aphelion dist (Q)2.51753480 AU ± 3.03e-09
Orbital Period2.35259247 yr ± 1.32e-09
Physical Parameters
H (abs. magnitude)14.08
G (slope)0.15
Alternative Designations

1983 CN1

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.362″
Uncertainty0
Orbit TypeAmor
MOID0.042563 AU
Observations Used9413
Radar Obs Used6
Gaia Obs Used88
Oppositions22
Arc Total1979-2026
First Observation Used1979-03-09
Last Observation Used2026-04-05
Observations (12205)
Date Type RA Dec Mag Band Observatory
2023-02-09 00:44:28 C 10 27 09.35 +17 10 15.5 V M34
2023-02-09 01:14:49 C 10 27 07.01 +17 10 15.6 V M34
2023-02-10 07:06:49 C 10 24 49.850 +17 10 26.47 V W68
2023-02-10 07:12:39 C 10 24 49.378 +17 10 26.87 V W68
2023-02-10 07:55:35 C 10 24 46.022 +17 10 26.62 V W68
2023-02-10 08:06:47 C 10 24 45.134 +17 10 26.18 V W68
2023-02-10 10:50:21 C 10 24 32.573 +17 10 19.02 V 703
2023-02-10 10:58:56 C 10 24 31.900 +17 10 19.06 V 703
2023-02-10 11:07:32 C 10 24 31.223 +17 10 19.02 V 703
2023-02-10 11:16:08 C 10 24 30.546 +17 10 18.84 V 703
2023-02-12 18:58:03 C 10 20 13.12 +17 09 54.9 q M38
2023-02-12 20:06:24 C 10 20 07.79 +17 09 54.3 q M38
2023-02-12 21:09:37 C 10 20 02.78 +17 09 53.7 q M38
2023-02-12 21:12:16 C 10 20 02.66 +17 09 54.1 V M26
2023-02-12 21:15:51 C 10 20 02.37 +17 09 54.4 V M26
2023-02-12 21:19:25 C 10 20 02.10 +17 09 54.3 V M26
2023-02-12 22:32:48 C 10 19 56.36 +17 09 54.0 q Y93
2023-02-12 22:33:55 C 10 19 56.28 +17 09 53.7 q Y93
2023-02-12 22:35:02 C 10 19 56.21 +17 09 53.9 q Y93
2023-02-12 22:52:37 C 10 19 54.698 +17 10 02.17 V M22
2023-02-12 22:57:11 C 10 19 54.329 +17 10 02.14 V M22
2023-02-12 23:30:09 C 10 19 51.708 +17 10 01.52 V M22
2023-02-12 23:48:06 C 10 19 50.290 +17 10 01.27 V M22
2023-02-12 23:52:08 C 10 19 50.16 +17 09 52.5 q Y93
2023-02-12 23:53:14 C 10 19 50.05 +17 09 52.6 q Y93
2023-02-12 23:54:21 C 10 19 49.98 +17 09 53.1 q Y93
2023-02-13 00:51:28 C 10 19 45.389 +17 09 51.91 q M16
2023-02-13 00:59:12 C 10 19 44.712 +17 09 51.16 q M16
2023-02-13 01:06:59 C 10 19 44.184 +17 09 51.48 q M16
2023-02-13 06:06:19 C 10 19 21.227 +17 09 48.74 V 703
2023-02-13 06:15:53 C 10 19 20.471 +17 09 48.89 V 703
2023-02-13 06:25:29 C 10 19 19.704 +17 09 48.60 V 703
2023-02-13 06:35:05 C 10 19 18.944 +17 09 48.53 V 703
2023-02-13 22:34:36 C 10 18 04.59 +17 09 32.3 q Y93
2023-02-13 22:35:43 C 10 18 04.48 +17 09 32.4 q Y93
2023-02-13 22:36:49 C 10 18 04.40 +17 09 32.5 q Y93
2023-02-13 22:48:55 C 10 18 03.290 +17 09 41.33 V M22
2023-02-13 22:54:49 C 10 18 02.822 +17 09 41.36 V M22
2023-02-13 22:59:21 C 10 18 02.470 +17 09 41.29 V M22
2023-02-13 23:48:26 C 10 17 58.73 +17 09 31.7 q Y93
2023-02-13 23:49:32 C 10 17 58.61 +17 09 32.0 q Y93
2023-02-13 23:50:39 C 10 17 58.57 +17 09 32.5 q Y93
2023-02-14 04:29:12 C 10 17 36.907 +17 09 35.60 V W68
2023-02-14 04:31:48 C 10 17 36.708 +17 09 35.35 V W68
2023-02-14 04:36:21 C 10 17 36.338 +17 09 35.64 V W68
2023-02-14 04:46:05 C 10 17 35.566 +17 09 35.35 V W68
2023-02-14 15:06:22 C 10 16 47.592 +17 09 22.28 V P07
2023-02-14 17:12:26 C 10 16 37.594 +17 09 20.30 V P07
2023-02-14 18:19:16 C 10 16 32.258 +17 09 18.58 V P07
2023-02-14 18:21:21 C 10 16 32.088 +17 09 18.83 V P07
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-08-29 07:20:00 53416156 10 us 8560 -14 -14
2017-08-30 08:30:00 50057919.82 3 us 8560 -14 -14
2017-09-01 08:30:00 47128765.14 3 us 8560 -14 -14
2017-09-06 10:10:00 60804814.037 5 us 8560 -14 -14
2017-09-08 07:00:00 70833313.23 3 us 8560 -14 -14
2017-09-13 08:00:00 102972248.16 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)